100% compatibility with Cisco GLC-SX-MMD guaranteed Maximum transfer distance of 550m (1804 ft.) SFP (Mini-GBIC) meets or exceeds OEM specifications SFP transceiver module complies with MSA industry standards 1000BASE-SX fiber transceiver has low power consumption: < 1W Hot-swappable with other fiber optic modules Multimode connector DDM: Yes MTBF: 3,381,761 hours Max. Data Transfer Rate: 1.25 Gbps